Note 5 - Accounts Receivable and Concentration of Credit Risk - Schedule of Allowance for Credit Losses (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Balance | $ 3,923,857 | $ 12,143 |
| Charge-offs, net of recoveries | 0 | 3,911,714 |
| Balance | $ 3,923,857 | $ 3,923,857 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|